The upstate New York-based Glimmerglass Opera will lose its artistic director this year when Paul Kellogg steps down from the position. Rather than replace him, the company has announced that general director Michael MacLeod will assume the duties of artistic director as well. “While MacLeod has no experience with an opera company, Glimmerglass emphasized in a press release that he had worked with such leading singers as Barbara Bonney, Ian Bostridge, Rodney Gilfrey, and Bryn Terfel while leading the City of London Festival”